23697761 has 2 divisors, whose sum is σ = 23697762. Its totient is φ = 23697760.

The previous prime is 23697757. The next prime is 23697767. The reversal of 23697761 is 16779632.

23697761 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 126736 = 4855^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 23697761 - 2² = 23697757 is a prime.

It is not a weakly prime, because it can be changed into another prime (23697767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11848880 + 11848881.

It is an arithmetic number, because the mean of its divisors is an integer number (11848881).

Almost surely, 2^23697761 is an apocalyptic number.

It is an amenable number.

23697761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23697761 is an equidigital number, since it uses as much as digits as its factorization.

23697761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 23697761 is about 4868.0346136814. The cubic root of 23697761 is about 287.2339507263.

The spelling of 23697761 in words is "twenty-three million, six hundred ninety-seven thousand, seven hundred sixty-one".